Blood Altar

Sacrifice a creature: Put a blood counter on Blood
Altar {1}remove a blood counter from
blood altar gain 2 life
{2}remove two blood counters from blood altar
create a 2/2 black zombie
{4}remove 10 blood counters from blood altar
create x token copys of target permanent
except the tokens arn't legendary if target creature
is legendary
x is the amount of creatures in your graveyard